Charlie Bone and the Red Knight (Children of the Red King #8‪)‬

Charlie and his friends take on the most powerful and dangerous magic in Book Eight of this extraordinary series. As wicked forces come to a head at Bloor's Academy, Charlie and his friends must use all their magic and all their might to fight the evil and save Charlie's parents.

In his greatest adventure yet, Charlie must discover the fate of his family, the evil intentions of the Bloors, what has become of Septimus Bloor's will, and, most important, the destiny of the Red King's heirs. But are the Children of the Red King strong enough to defeat the darkness to find the answers?